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Objective <p>Umbilical artery catheters (UAC) are common in the neonatal intensive care unit. Catheters are often re-adjusted and require multiple X-rays. Point of care ultrasound (POCUS) is reliable and safe. The objective of this study was to determine if visualizing the aortic valve (AoV) with POCUS could be a landmark for UAC positioning.</p> Study Design <p>This was a prospective, retrospective controlled study. The retrospective group included neonates with a UAC insertion depth calculated by (3×birth weight(kg)+9). The experimental group used POCUS and identified the level of the AoV for UAC placement.</p> Results <p>Each group had thirty neonates and were similar in gestational age, and median birth weight. In the control group, 16 neonates (53%) required repositioning and between 2 and 6 X-Rays. None of the UACs in the experimental group needed repeat X-Rays (<i>p</i> &lt; 0.001).</p> Conclusion <p>The AoV location identified using POCUS can reduce the need for multiple XRs for UAC placement.</p>

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The aortic valve as a landmark for ultrasound guided umbilical artery catheter placement, a prospective retrospective controlled study

  • 期刊论文

  • 发表日期：

    2025年8月26日

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  • Mohamed Sakr,
  • Orna Rosen,
  • Mimi Kim,
  • Mamta Fuloria,
  • Megan Carney,
  • Sheri Nemerofsky

摘要

Objective

Umbilical artery catheters (UAC) are common in the neonatal intensive care unit. Catheters are often re-adjusted and require multiple X-rays. Point of care ultrasound (POCUS) is reliable and safe. The objective of this study was to determine if visualizing the aortic valve (AoV) with POCUS could be a landmark for UAC positioning.

Study Design

This was a prospective, retrospective controlled study. The retrospective group included neonates with a UAC insertion depth calculated by (3×birth weight(kg)+9). The experimental group used POCUS and identified the level of the AoV for UAC placement.

Results

Each group had thirty neonates and were similar in gestational age, and median birth weight. In the control group, 16 neonates (53%) required repositioning and between 2 and 6 X-Rays. None of the UACs in the experimental group needed repeat X-Rays (p < 0.001).

Conclusion

The AoV location identified using POCUS can reduce the need for multiple XRs for UAC placement.